PURCHASE FROM A TRUSTED VERIFIED E BAY SELLER. HELLO AND WELCOME TO MY EBAY AUCTION. ONE SET OF  ACOUSTIC BASS GUITAR STRINGS. THESE STRINGS ARE ONE OF THE BEST TYPES AVAILABLE, YOU CAN NOT GET A GREAT SOUND WITHOUT GREAT STINGS, THESE ARE WONDERFUL AND LAST A VERY LONG TIME. I HAVE PRO PLAYERS COMING BACK FOR THESE ONCE THEY HAVE TRIED THEM.  MADE AT THE SAME FACTORY AS SOME OF THE BRAND LEADER BUT LABELED AS SHOWN. SIZE 40 TO 90 GUAGE. EACH PACK CONTAINS 4 STRINGS.    CAN OF COURSE BE USED ON OTHER INSTRUMENTS. WE HAVE BEEN USING THEM ON ELECTRICS AS WELL THANK YOU